/*
This is part of Screenbar, which is based in part on the Litestep
shell source code.

Copyright (C) 2008-2009 Jim Babcock
Copyright (C) 1997-2009 The LiteStep Development Team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#include "stdafx.h"

HDC ScreenbarWindow::getDrawContextForSize()
{
	if(backBuffer)
		return backBuffer->getDC();
	else {
		ScreenbarPanel *firstPanel = getFirstPanel();
		if(firstPanel && firstPanel->backBuffer)
			return firstPanel->backBuffer->getDC();
		else
			return NULL;
	}
}

void ScreenbarWindow::forceRedraw()
{
	if(currentTransparency == alphaOverlay)
		SendMessage(window, UMSG_UPDATEOVERLAY, 0, 0);
	else
		InvalidateRect(window, NULL, FALSE);
}

void ScreenbarWindow::repaint()
{
	PAINTSTRUCT ps;
	HDC windowDrawContext = BeginPaint(window, &ps);
	
	clearBackBuffer();
	layout->draw(backBuffer->getDC());
	flipBackBuffer(windowDrawContext);

	EndPaint(window, &ps);
}
